no longer in use as we migrate to 6.6 shortly.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
+++ /dev/null
-CONFIG_3_LEVEL_PGTABLES=y
-CONFIG_64BIT=y
-CONFIG_ARCH_DMA_ADDR_T_64BIT=y
-CONFIG_ARCH_EPHEMERAL_INODES=y
-CONFIG_ARCH_NO_PREEMPT=y
-CONFIG_ARCH_SUSPEND_POSSIBLE=y
-CONFIG_BLK_DEV_COW_COMMON=y
-CONFIG_BLK_DEV_LOOP=y
-CONFIG_BLK_DEV_UBD=y
-CONFIG_BLK_DEV_UBD_SYNC=y
-CONFIG_BLK_MQ_VIRTIO=y
-CONFIG_CDROM=y
-# CONFIG_COMMON_CLK is not set
-# CONFIG_COMPAT_32BIT_TIME is not set
-CONFIG_CON_CHAN="xterm"
-CONFIG_CON_ZERO_CHAN="fd:0,fd:1"
-CONFIG_CPU_SUP_AMD=y
-CONFIG_CPU_SUP_CENTAUR=y
-CONFIG_CPU_SUP_HYGON=y
-CONFIG_CPU_SUP_INTEL=y
-CONFIG_CPU_SUP_ZHAOXIN=y
-CONFIG_CRC16=y
-CONFIG_CRYPTO_CRC32=y
-CONFIG_CRYPTO_CRC32C=y
-CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC=y
-CONFIG_CRYPTO_LIB_POLY1305_RSIZE=11
-CONFIG_CRYPTO_RNG2=y
-CONFIG_CRYPTO_SHA1=y
-# CONFIG_CRYPTO_TWOFISH_X86_64 is not set
-CONFIG_DEBUG_MEMORY_INIT=y
-CONFIG_DECOMPRESS_BZIP2=y
-CONFIG_DECOMPRESS_GZIP=y
-CONFIG_DNOTIFY=y
-# CONFIG_EARLY_PRINTK is not set
-CONFIG_EXT4_FS=y
-CONFIG_F2FS_FS=y
-CONFIG_FAILOVER=y
-CONFIG_FS_IOMAP=y
-CONFIG_FS_MBCACHE=y
-CONFIG_FW_LOADER_PAGED_BUF=y
-CONFIG_GENERIC_CLOCKEVENTS=y
-# CONFIG_GENERIC_CPU is not set
-CONFIG_GENERIC_CPU_DEVICES=y
-CONFIG_GENERIC_FIND_FIRST_BIT=y
-CONFIG_GENERIC_IRQ_SHOW=y
-CONFIG_HOSTFS=y
-CONFIG_HVC_DRIVER=y
-CONFIG_HW_RANDOM=y
-CONFIG_HZ_PERIODIC=y
-CONFIG_IA32_FEAT_CTL=y
-CONFIG_INITRAMFS_SOURCE=""
-CONFIG_INIT_ENV_ARG_LIMIT=128
-CONFIG_IRQ_WORK=y
-CONFIG_ISO9660_FS=y
-CONFIG_JBD2=y
-# CONFIG_JFFS2_FS is not set
-CONFIG_KALLSYMS=y
-CONFIG_KERNEL_STACK_ORDER=2
-CONFIG_LOCK_DEBUGGING_SUPPORT=y
-# CONFIG_MATOM is not set
-CONFIG_MAY_HAVE_RUNTIME_DEPS=y
-CONFIG_MCONSOLE=y
-# CONFIG_MCORE2 is not set
-CONFIG_MEMFD_CREATE=y
-CONFIG_MIGRATION=y
-CONFIG_MK8=y
-# CONFIG_MMAPPER is not set
-CONFIG_MODULES_USE_ELF_RELA=y
-# CONFIG_MPSC is not set
-CONFIG_NAMESPACES=y
-CONFIG_NEED_PER_CPU_KM=y
-CONFIG_NET_FAILOVER=y
-# CONFIG_NET_NS is not set
-CONFIG_NLS=y
-CONFIG_NO_DMA=y
-CONFIG_NO_IOMEM=y
-CONFIG_NO_IOPORT_MAP=y
-CONFIG_NR_CPUS=1
-CONFIG_NULL_CHAN=y
-# CONFIG_OF is not set
-CONFIG_PGTABLE_LEVELS=3
-CONFIG_PHYS_ADDR_T_64BIT=y
-CONFIG_PORT_CHAN=y
-CONFIG_POSIX_MQUEUE=y
-CONFIG_POSIX_MQUEUE_SYSCTL=y
-# CONFIG_PROCESSOR_SELECT is not set
-CONFIG_PROC_PAGE_MONITOR=y
-CONFIG_PTP_1588_CLOCK_OPTIONAL=y
-CONFIG_PTY_CHAN=y
-CONFIG_RD_BZIP2=y
-CONFIG_RD_GZIP=y
-CONFIG_RELAY=y
-CONFIG_SG_POOL=y
-CONFIG_SOFT_WATCHDOG=m
-CONFIG_SRCU=y
-CONFIG_SSL=y
-CONFIG_SSL_CHAN="pty"
-CONFIG_STACKTRACE=y
-CONFIG_STDERR_CONSOLE=y
-CONFIG_TICK_CPU_ACCOUNTING=y
-CONFIG_TINY_SRCU=y
-CONFIG_TTY_CHAN=y
-CONFIG_UML=y
-CONFIG_UML_NET=y
-CONFIG_UML_NET_DAEMON=y
-CONFIG_UML_NET_DETERMINISTIC_MAC=y
-CONFIG_UML_NET_ETHERTAP=y
-CONFIG_UML_NET_MCAST=y
-# CONFIG_UML_NET_PCAP is not set
-CONFIG_UML_NET_SLIP=y
-CONFIG_UML_NET_SLIRP=y
-CONFIG_UML_NET_TUNTAP=y
-# CONFIG_UML_NET_VDE is not set
-CONFIG_UML_NET_VECTOR=y
-# CONFIG_UML_PCI_OVER_VIRTIO is not set
-CONFIG_UML_RANDOM=y
-# CONFIG_UML_SOUND is not set
-CONFIG_UML_TIME_TRAVEL_SUPPORT=y
-CONFIG_UML_WATCHDOG=y
-CONFIG_UML_X86=y
-# CONFIG_USER_NS is not set
-CONFIG_VIRTIO=y
-CONFIG_VIRTIO_BLK=y
-CONFIG_VIRTIO_CONSOLE=y
-CONFIG_VIRTIO_NET=y
-CONFIG_VIRTIO_UML=y
-CONFIG_VMAP_STACK=y
-CONFIG_VM_EVENT_COUNTERS=y
-CONFIG_WATCHDOG_CORE=y
-CONFIG_X86_64=y
-CONFIG_X86_CMOV=y
-CONFIG_X86_CMPXCHG64=y
-CONFIG_X86_INTEL_USERCOPY=y
-CONFIG_X86_INTERNODE_CACHE_SHIFT=6
-CONFIG_X86_L1_CACHE_SHIFT=6
-CONFIG_X86_MINIMUM_CPU_FAMILY=64
-CONFIG_X86_TSC=y
-CONFIG_X86_USE_PPRO_CHECKSUM=y
-CONFIG_XTERM_CHAN=y
-CONFIG_ZLIB_INFLATE=y
+++ /dev/null
-#
-# Minimalist mconsole exec patch
-#
-# 3.10 version (with bit more synchronous behavior) by fingon at iki dot fi
-# Adaptation to kernel 3.3.8 made by David Fernández (david at dit.upm.es) for
-# Starting point: mconsole-exec-2.6.30.patch for kernel 2.6.30
-# Author of original patch: Paolo Giarrusso, aka Blaisorblade
-# (http://www.user-mode-linux.org/~blaisorblade)
-#
-# Known misfeatures:
-#
-# - If output is too long, blocks (and breaks horribly)
-# (this misfeature from 3.10 patches, when minimalizing the patch;
-# workaround: redirect to a shared filesystem if long output is expected)
-#
-# - Nothing useful is done with stdin
-#
---- a/arch/um/drivers/mconsole.h
-+++ b/arch/um/drivers/mconsole.h
-@@ -85,6 +85,7 @@ extern void mconsole_cad(struct mc_reque
- extern void mconsole_stop(struct mc_request *req);
- extern void mconsole_go(struct mc_request *req);
- extern void mconsole_log(struct mc_request *req);
-+extern void mconsole_exec(struct mc_request *req);
- extern void mconsole_proc(struct mc_request *req);
- extern void mconsole_stack(struct mc_request *req);
-
---- a/arch/um/drivers/mconsole_kern.c
-+++ b/arch/um/drivers/mconsole_kern.c
-@@ -4,6 +4,7 @@
- * Copyright (C) 2001 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com)
- */
-
-+#include <linux/kmod.h>
- #include <linux/console.h>
- #include <linux/ctype.h>
- #include <linux/string.h>
-@@ -27,6 +28,7 @@
- #include <linux/mount.h>
- #include <linux/file.h>
- #include <linux/uaccess.h>
-+#include <linux/completion.h>
- #include <asm/switch_to.h>
-
- #include <init.h>
-@@ -124,6 +126,59 @@ void mconsole_log(struct mc_request *req
- mconsole_reply(req, "", 0, 0);
- }
-
-+void mconsole_exec(struct mc_request *req)
-+{
-+ struct subprocess_info *sub_info;
-+ int res, len;
-+ struct file *out;
-+ char buf[MCONSOLE_MAX_DATA];
-+
-+ char *envp[] = {
-+ "HOME=/", "TERM=linux",
-+ "PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin",
-+ NULL
-+ };
-+ char *argv[] = {
-+ "/bin/sh", "-c",
-+ req->request.data + strlen("exec "),
-+ NULL
-+ };
-+
-+ sub_info = call_usermodehelper_setup("/bin/sh", argv, envp, GFP_ATOMIC, NULL, NULL, NULL);
-+ if (sub_info == NULL) {
-+ mconsole_reply(req, "call_usermodehelper_setup failed", 1, 0);
-+ return;
-+ }
-+ res = call_usermodehelper_stdoutpipe(sub_info, &out);
-+ if (res < 0) {
-+ kfree(sub_info);
-+ mconsole_reply(req, "call_usermodehelper_stdoutpipe failed", 1, 0);
-+ return;
-+ }
-+
-+ res = call_usermodehelper_exec(sub_info, UMH_WAIT_PROC);
-+ if (res < 0) {
-+ kfree(sub_info);
-+ mconsole_reply(req, "call_usermodehelper_exec failed", 1, 0);
-+ return;
-+ }
-+
-+ for (;;) {
-+ len = out->f_op->read(out, buf, sizeof(buf), &out->f_pos);
-+ if (len < 0) {
-+ mconsole_reply(req, "reading output failed", 1, 0);
-+ break;
-+ }
-+ if (len == 0)
-+ break;
-+ mconsole_reply_len(req, buf, len, 0, 1);
-+ }
-+ fput(out);
-+
-+ mconsole_reply_len(req, NULL, 0, 0, 0);
-+}
-+
-+
- void mconsole_proc(struct mc_request *req)
- {
- struct vfsmount *mnt = proc_mnt;
-@@ -190,6 +245,7 @@ void mconsole_proc(struct mc_request *re
- stop - pause the UML; it will do nothing until it receives a 'go' \n\
- go - continue the UML after a 'stop' \n\
- log <string> - make UML enter <string> into the kernel log\n\
-+ exec <string> - pass <string> to /bin/sh -c synchronously\n\
- proc <file> - returns the contents of the UML's /proc/<file>\n\
- stack <pid> - returns the stack of the specified pid\n\
- "
---- a/arch/um/drivers/mconsole_user.c
-+++ b/arch/um/drivers/mconsole_user.c
-@@ -30,6 +30,7 @@ static struct mconsole_command commands[
- { "stop", mconsole_stop, MCONSOLE_PROC },
- { "go", mconsole_go, MCONSOLE_INTR },
- { "log", mconsole_log, MCONSOLE_INTR },
-+ { "exec", mconsole_exec, MCONSOLE_PROC },
- { "proc", mconsole_proc, MCONSOLE_PROC },
- { "stack", mconsole_stack, MCONSOLE_INTR },
- };
---- a/arch/um/os-Linux/file.c
-+++ b/arch/um/os-Linux/file.c
-@@ -560,6 +560,8 @@ int os_create_unix_socket(const char *fi
-
- addr.sun_family = AF_UNIX;
-
-+ if (len > sizeof(addr.sun_path))
-+ len = sizeof(addr.sun_path);
- snprintf(addr.sun_path, len, "%s", file);
-
- err = bind(sock, (struct sockaddr *) &addr, sizeof(addr));
---- a/include/linux/kmod.h
-+++ b/include/linux/kmod.h
-@@ -32,4 +32,6 @@ static inline int request_module_nowait(
- #define try_then_request_module(x, mod...) (x)
- #endif
-
-+int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info, struct file **filp);
-+
- #endif /* __LINUX_KMOD_H__ */
---- a/include/linux/umh.h
-+++ b/include/linux/umh.h
-@@ -22,6 +22,7 @@ struct subprocess_info {
- const char *path;
- char **argv;
- char **envp;
-+ struct file *stdout;
- int wait;
- int retval;
- int (*init)(struct subprocess_info *info, struct cred *new);
---- a/kernel/umh.c
-+++ b/kernel/umh.c
-@@ -28,6 +28,7 @@
- #include <linux/async.h>
- #include <linux/uaccess.h>
- #include <linux/initrd.h>
-+#include <linux/pipe_fs_i.h>
-
- #include <trace/events/module.h>
-
-@@ -73,6 +74,28 @@ static int call_usermodehelper_exec_asyn
- flush_signal_handlers(current, 1);
- spin_unlock_irq(¤t->sighand->siglock);
-
-+ /* Install output when needed */
-+ if (sub_info->stdout) {
-+ struct files_struct *f = current->files;
-+ struct fdtable *fdt;
-+
-+ sys_close(1);
-+ sys_close(2);
-+ get_file(sub_info->stdout);
-+ fd_install(1, sub_info->stdout);
-+ fd_install(2, sub_info->stdout);
-+ spin_lock(&f->file_lock);
-+ fdt = files_fdtable(f);
-+ __set_bit(1, fdt->open_fds);
-+ __clear_bit(1, fdt->close_on_exec);
-+ __set_bit(2, fdt->open_fds);
-+ __clear_bit(2, fdt->close_on_exec);
-+ spin_unlock(&f->file_lock);
-+
-+ /* disallow core files */
-+ current->signal->rlim[RLIMIT_CORE] = (struct rlimit){0, 0};
-+ }
-+
- /*
- * Initial kernel threads share ther FS with init, in order to
- * get the init root directory. But we've now created a new
-@@ -332,6 +355,20 @@ static void helper_unlock(void)
- wake_up(&running_helpers_waitq);
- }
-
-+int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info,
-+ struct file **filp)
-+{
-+ struct file *f[2];
-+
-+ if (create_pipe_files(f, 0) < 0)
-+ return PTR_ERR(f);
-+
-+ sub_info->stdout = f[1];
-+ *filp = f[0];
-+ return 0;
-+}
-+EXPORT_SYMBOL(call_usermodehelper_stdoutpipe);
-+
- /**
- * call_usermodehelper_setup - prepare to call a usermode helper
- * @path: path to usermode executable
+++ /dev/null
-===============================================================================
-
-This patch makes MAC addresses of network interfaces predictable. In
-particular, it adds a small routine that computes MAC addresses of based on
-a SHA1 hash of the virtual machine name and interface ID.
-
-TECHNICAL INFORMATION:
-
-Applies to vanilla kernel 3.9.4.
-
-===============================================================================
---- a/arch/um/drivers/Kconfig
-+++ b/arch/um/drivers/Kconfig
-@@ -136,6 +136,20 @@ config UML_NET
- enable at least one of the following transport options to actually
- make use of UML networking.
-
-+config UML_NET_DETERMINISTIC_MAC
-+ bool "Use deterministic MAC addresses for network interfaces"
-+ default y
-+ depends on UML_NET
-+ select CRYPTO_SHA1
-+ help
-+ Virtual network devices inside a User-Mode Linux instance must be
-+ assigned a MAC (Ethernet) address. If none is specified on the UML
-+ command line, one must be automatically computed. If this option is
-+ enabled, a randomly generated address is used. Otherwise, if this
-+ option is disabled, the address is generated from a SHA1 hash of
-+ the umid of the UML instance and the interface name. The latter choice
-+ is useful to make MAC addresses predictable.
-+
- config UML_NET_ETHERTAP
- bool "Ethertap transport (obsolete)"
- depends on UML_NET
---- a/arch/um/drivers/net_kern.c
-+++ b/arch/um/drivers/net_kern.c
-@@ -25,6 +25,14 @@
- #include <net_kern.h>
- #include <net_user.h>
-
-+#include <crypto/sha1.h>
-+#include <crypto/hash.h>
-+#include <linux/string.h>
-+#include <linux/crypto.h>
-+#include <linux/err.h>
-+#include <linux/scatterlist.h>
-+#include "os.h"
-+
- #define DRIVER_NAME "uml-netdev"
-
- static DEFINE_SPINLOCK(opened_lock);
-@@ -274,9 +282,55 @@ static const struct ethtool_ops uml_net_
- .get_ts_info = ethtool_op_get_ts_info,
- };
-
-+#ifdef CONFIG_UML_NET_DETERMINISTIC_MAC
-+
-+/* Compute a SHA1 hash of the UML instance's id and
-+ * * an interface name. */
-+static int compute_hash(const char *umid, const char *ifname, char *hash)
-+{
-+ struct ahash_request *desc = NULL;
-+ struct crypto_ahash *tfm = NULL;
-+ struct scatterlist sg;
-+ char *vmif = NULL;
-+ int ret = -ENOMEM;
-+
-+ vmif = kmalloc(1024, GFP_KERNEL);
-+ if (!vmif)
-+ goto out;
-+
-+ strcpy (vmif, umid);
-+ strcat (vmif, ifname);
-+
-+ tfm = crypto_alloc_ahash("sha1", 0, CRYPTO_ALG_ASYNC);
-+ if (IS_ERR(tfm))
-+ goto out;
-+
-+ desc = ahash_request_alloc(tfm, GFP_KERNEL);
-+ if (!desc)
-+ goto out;
-+
-+ crypto_ahash_clear_flags(tfm, ~0);
-+
-+ sg_init_table(&sg, 1);
-+ sg_set_buf(&sg, vmif, strlen(vmif));
-+
-+ ahash_request_set_crypt(desc, &sg, hash, strlen(vmif));
-+
-+ ret = crypto_ahash_digest(desc);
-+out:
-+ crypto_free_ahash(tfm);
-+ ahash_request_free(desc);
-+ kfree(vmif);
-+
-+ return ret;
-+}
-+
-+#endif
-+
- void uml_net_setup_etheraddr(struct net_device *dev, char *str)
- {
- unsigned char *addr = dev->dev_addr;
-+ u8 hash[SHA1_DIGEST_SIZE];
- char *end;
- int i;
-
-@@ -319,9 +373,26 @@ void uml_net_setup_etheraddr(struct net_
- return;
-
- random:
-+#ifndef CONFIG_UML_NET_DETERMINISTIC_MAC
- printk(KERN_INFO
- "Choosing a random ethernet address for device %s\n", dev->name);
- eth_hw_addr_random(dev);
-+#else
-+ printk(KERN_INFO
-+ "Computing a digest to use as ethernet address for device %s\n", dev->name);
-+ if (compute_hash(get_umid(), dev->name, hash) < 0) {
-+ printk(KERN_WARNING
-+ "Could not compute digest to use as ethernet address for device %s. "
-+ "Using random address instead.\n", dev->name);
-+ random_ether_addr(addr);
-+ }
-+ else {
-+ for (i=0; i < 6; i++)
-+ addr[i] = (hash[i] + hash[i+6]) % 0x100;
-+ }
-+ addr [0] &= 0xfe; /* clear multicast bit */
-+ addr [0] |= 0x02; /* set local assignment bit (IEEE802) */
-+#endif
- }
-
- static DEFINE_SPINLOCK(devices_lock);
---- a/kernel/umh.c
-+++ b/kernel/umh.c
-@@ -356,12 +356,12 @@ static void helper_unlock(void)
- }
-
- int call_usermodehelper_stdoutpipe(struct subprocess_info *sub_info,
-- struct file **filp)
-+ struct file **filp)
- {
- struct file *f[2];
-
- if (create_pipe_files(f, 0) < 0)
-- return PTR_ERR(f);
-+ return PTR_ERR(f);
-
- sub_info->stdout = f[1];
- *filp = f[0];
+++ /dev/null
-From d7936f11aded13f03871c0d6502d611d6a1e2dc5 Mon Sep 17 00:00:00 2001
-Message-Id: <d7936f11aded13f03871c0d6502d611d6a1e2dc5.1659815468.git.chunkeey@gmail.com>
-In-Reply-To: <53b5c5f559cc95fc676cb4cc9e5a8d9f0cb8f58c.1659815468.git.chunkeey@gmail.com>
-References: <53b5c5f559cc95fc676cb4cc9e5a8d9f0cb8f58c.1659815468.git.chunkeey@gmail.com>
-From: Christian Lamparter <chunkeey@gmail.com>
-Date: Sat, 6 Aug 2022 19:27:20 +0200
-Subject: [PATCH v1 2/2] um: increase default virtual physical memory to 64 MiB
-To: linux-um@lists.infradead.org
-Cc: Richard Weinberger <richard@nod.at>,
- Anton Ivanov <anton.ivanov@cambridgegreys.com>,
- Johannes Berg <johannes@sipsolutions.net>
-
-The current 32 MiB of RAM causes OOMs to appear shortly after
-booting in a minimal OpenWrt 22.03 configuration with a
-5.10.134 kernel.
-
-Of course, passing a "mem=64M" (from the --help text) parameter
-works too, but it produces the following (info) message:
-
-| [ 0.000000] Unknown kernel command line parameters "mem=64M", will be passed to user space.
-
-That's why, I think it would be nicer, if this is working out
-of the box again :).
-
-Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
----
- arch/um/kernel/um_arch.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
---- a/arch/um/kernel/um_arch.c
-+++ b/arch/um/kernel/um_arch.c
-@@ -131,7 +131,7 @@ static int have_root __initdata;
- static int have_console __initdata;
-
- /* Set in uml_mem_setup and modified in linux_main */
--long long physmem_size = 32 * 1024 * 1024;
-+long long physmem_size = 64 * 1024 * 1024;
- EXPORT_SYMBOL(physmem_size);
-
- static const char *usage_string =
projects / openwrt / staging / stintel.git / commitdiff